90248440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{997}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 212693760

約数和(自身を除く): 122445320

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 73, 124, 146, 155, 248, 292, 310, 365, 584, 620, 730, 997, 1240, 1460, 1994, 2263, 2920, 3988, 4526, 4985, 7976, 9052, 9970, 11315, 18104, 19940, 22630, 30907, 39880, 45260, 61814, 72781, 90520, 123628, 145562, 154535, 247256, 291124, 309070, 363905, 582248, 618140, 727810, 1236280, 1455620, 2256211, 2911240, 4512422, 9024844, 11281055, 18049688, 22562110, 45124220, 90248440]

約数ペア:

[(1, 90248440), (2, 45124220), (4, 22562110), (5, 18049688), (8, 11281055), (10, 9024844), (20, 4512422), (31, 2911240), (40, 2256211), (62, 1455620), (73, 1236280), (124, 727810), (146, 618140), (155, 582248), (248, 363905), (292, 309070), (310, 291124), (365, 247256), (584, 154535), (620, 145562), (730, 123628), (997, 90520), (1240, 72781), (1460, 61814), (1994, 45260), (2263, 39880), (2920, 30907), (3988, 22630), (4526, 19940), (4985, 18104), (7976, 11315), (9052, 9970)]